/**
Script: Slideshow.Push.js
	Slideshow.Push - Push extension for Slideshow.

License:
	MIT-style license.

Copyright:
	Copyright (c) 2008 [Aeron Glemann](http://www.electricprism.com/aeron/).
	
Dependencies:
	Slideshow.
	Mootools 1.3.1 More: Fx.Elements.
*/

Slideshow.Push = new Class({Extends:Slideshow, initialize:function (el, data, options) {options = options || {};options.overlap = true;this.parent(el, data, options);}, _show:function (fast) {var images = [this.image, this.counter % 2 ? this.a : this.b];if (!this.image.retrieve("fx")) {this.image.store("fx", new Fx.Elements(images, {duration:this.options.duration, link:"cancel", onStart:this._start.bind(this), onComplete:this._complete.bind(this), transition:this.options.transition}));}this.image.set("styles", {left:"auto", right:"auto"}).setStyle(this.direction, this.width);var values = {'0':{}, '1':{}};values['0'][this.direction] = [this.width, 0];values['1'][this.direction] = [0, - this.width];if (images[1].getStyle(this.direction) == "auto") {var width = this.width - images[1].width;images[1].set("styles", {left:"auto", right:"auto"}).setStyle(this.direction, width);values['1'][this.direction] = [width, - this.width];}if (fast) {for (var prop in values) {values[prop][this.direction] = values[prop][this.direction][1];}this.image.retrieve("fx").cancel().set(values);} else {this.image.retrieve("fx").start(values);}}});